Protein is something that produces muscle mass, it is composed of amino acids which are compounds of carbon,hydrogen, oxygen and etc. Protein is mostly in animals products (meat,dairy, eggs and more) is can also be in nuts such as almonds and peanuts. A lot of people put something called “whey powder” into drinks to get protein easier (but in my opinion it makes drink grainy).
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The answer is C. Unexplainable muscle weakness or pain.
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They can constrict or dilate because their walls are muscular.
All muscle cells share four main properties that distinguish them from other cells. These are Excitability, Contractility, Extensibility and Elasticity.
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Serum or seminal fluid is that fluid........